An auxiliary device for welding the cylinder section of an offshore wind power tower

Abstract

The present invention discloses an auxiliary device for welding offshore wind turbine tower sections, comprising a dual-zone auxiliary frame, wherein the dual-zone auxiliary frame is internally provided with left and right working areas for tower sections to enter, a partition being provided between the left and right working areas, and two symmetrical support rings being provided inside the left and right working areas, wherein a plurality of screw positioning structures for supporting the tower sections are evenly installed on the outer walls of one side of the support rings, and a plurality of evenly spaced C-shaped long beams are fixed between two adjacent support rings, wherein the outer walls of one side of the C-shaped long beams are arched toward the central axis of the support rings. The present invention enables the tower section to quickly complete axial movement after welding, freeing up space for the entry of the next tower section, thereby enabling the welding process to be efficiently cycled and improving the overall production efficiency of the production line.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power tower welding, and in particular to an auxiliary device for welding cylinder sections of an offshore wind power tower. Background Art

[0002] The main function of the tower barrel segment welding auxiliary device is to help with precise docking, stable support and smooth rotation of the barrel segments, ensuring welding quality and improving production efficiency. Specifically, it can accurately dock the two barrel segments to prevent welding defects caused by gaps or misalignments; and through the rotation function, it is convenient for operators to perform uniform welding at different positions of the barrel segments to reduce manual errors. From the structural principle, the tower barrel welding auxiliary device is mainly composed of four parts: docking system, rotation system, support and fixing structure and control system. The docking system ensures the precise docking of the two barrel segments through hydraulic or mechanical devices to avoid misalignment or gaps; the rotation system is driven by electric, hydraulic or pneumatic means to achieve smooth rotation of the barrel segments and facilitate the welding process; the support structure provides strong support through hydraulic supports or adjustable trays to prevent deformation caused by thermal stress; the control system uses PLC automation control, combined with sensors and laser docking technology, to monitor and adjust the position and status of the barrel segments in real time;

[0003] As disclosed in the authorization announcement number CN117206770B, a wind power tower cylinder section welding auxiliary device includes a workbench, a cylinder section to be welded and a surrounding traction assembly, the cylinder section to be welded is located above the workbench, the surrounding traction assembly is arranged on the workbench, the surrounding traction assembly includes a wax seal covering unit, a synchronous detection unit, a main rotating part, an auxiliary rotating part and a connecting straight rod, which can maintain a stable transmission relationship with the outer wall of the cylinder section to be welded by means of the bonding relationship between the wax seal covering unit and the outer wall of the cylinder section to be welded, and the setting of the traction motor, gear and gear ring can provide sufficient driving force, so that the cylinder section to be welded will not be rotated out of place during the welding process, resulting in insufficient weld filling. However, the above technical solution is mainly used to keep the tower cylinder section in a state of self-rotation during use. However, when two adjacent After the welding operation of the tower barrel section is completed in the device, the tower barrel section remains in the device, and external hydraulic equipment and lifting equipment are required to gradually move the two or more tower barrel sections in the welded state out of the device, that is, to help the tower barrel section move axially. However, the working speed of the hydraulic equipment is usually slow, especially when dealing with large-sized and heavy tower barrel sections. The action of the hydraulic system needs to be carefully adjusted to avoid collision or damage to the barrel section. This adjustment often takes a lot of time, and when the lifting equipment moves the tower barrel section, it is also necessary to consider the balance and load capacity of the lifting point. The weight of the wind turbine tower is huge, and the size of the tower barrel section is not small. Usually, multiple lifting points are required to maintain the balance of the tower barrel section, which can easily cause the tower barrel section to tilt or shift, thereby affecting the accuracy and speed of movement. Summary of the Invention

[0004] The purpose of the present invention is to provide an offshore wind power tower segment welding auxiliary device, in which multiple support rings for supporting and rotating the tower segment are rotatably installed inside the double-zone auxiliary frame. When the tower segment is placed in the support ring, multiple C-shaped long beams jointly support the tower segment, and multiple screw positioning structures make the segment coaxial with the support ring. Thereafter, the bilateral rotary drive module enables the multiple support rings to rotate together so that the staff can weld the segment joints. The two welded tower segments are axially moved by the pneumatic two-stage traction module and the segment picking mechanism to allow the next segment to enter the device and continue welding, thereby eliminating the use of hydraulic equipment and lifting equipment in the axial movement operation of the segment to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an offshore wind power tower segment welding auxiliary device, comprising:

[0006] A dual-zone auxiliary frame, wherein the interior of the dual-zone auxiliary frame is provided with left and right working areas for the tower barrel sections to enter, a partition is provided between the left and right working areas, and two symmetrical support rings are provided inside the left and right working areas. A plurality of screw positioning structures for supporting the tower barrel sections are installed at equal intervals on the outer wall of one side of the support ring, and a plurality of C-shaped long beams at equal intervals are fixed between two adjacent support rings. The outer wall of one side of the C-shaped long beam is arched toward the direction of the central axis of the support ring. A bilateral rotary drive module for driving the four support rings to rotate synchronously and at a constant speed is provided on the inner wall of one side of the dual-zone auxiliary frame;

[0007] A circular base is installed at the bottom of the dual-zone auxiliary frame, and a cylinder segment picking mechanism is provided on one side of the interior of the circular base, and a pneumatic two-stage traction module for driving the cylinder segment picking mechanism to move in the X-axis direction is installed on the other side of the interior of the circular base. A PLC controller is installed on one side of the surface of the dual-zone auxiliary frame, and the output end of the PLC controller is electrically connected to the input end of the bilateral rotary drive module, the pneumatic two-stage traction module, and the cylinder segment picking mechanism.

[0008] Preferably, support ring plates are fixed on both the left and right inner walls of the dual-zone auxiliary frame, and the top walls of the two support ring plates in the same Y-axis direction are slidably matched with the arcuate outer wall of the support ring.

[0009] Preferably, the screw positioning structure includes a nut pair fixed on the outer wall of one side of the support ring, a threaded shaft installed with internal threads of the nut pair, and convex seats fixed on the outer walls of the support ring on both sides of the nut pair, an elastic guide is installed on the outer wall of the convex seat near the center point of the support ring, a support plate is slidably installed on the convex seat, one end of the threaded shaft is rotatably connected to the outer wall of one side of the support plate, and two symmetrical support arms are installed on the outer wall of the support plate near the center point of the support ring.

[0010] Preferably, a cylinder segment blocking mechanism for blocking the cylinder segment in the right working area is provided on the outer wall of one side of the dual-zone auxiliary frame, and the cylinder segment blocking mechanism includes a screw lifting module installed on the inner wall of one side of the dual-zone auxiliary frame, a connecting plate fixed to the moving end of the screw lifting module, and a U-shaped blocking arm slidably installed on the outer wall of one side of the dual-zone auxiliary frame, and one end of the U-shaped blocking arm is fixedly connected to the outer wall of one side of the connecting plate.

[0011] Preferably, the bilateral rotary drive module includes wheel frames installed on the two inner walls of the dual-zone auxiliary frame, a stepper motor installed on the outer wall of one side of the dual-zone auxiliary frame, and a transmission shaft rotatably installed between several wheel frames in the same X-axis direction. The output end of the stepper motor is installed with a belt transmission structure for driving the transmission shaft to rotate. A steel wheel in contact with the outer peripheral surface of the support ring is fixed on the surface of the transmission shaft. The wheel frame, support plate and support arm are all made of aluminum alloy components.

[0012] Preferably, the pneumatic two-stage traction module includes a long-stroke cylinder fixed on one side of the inner part of the circular base, a double-headed gear arm installed on the top of the long-stroke cylinder piston rod, a lower rack fixed on the two inner walls of the circular base, and a U-shaped guide frame slidably installed on the upper surface of the circular base. Upper racks are fixed on the outer walls of both sides of the U-shaped guide frame, and the double-headed gear arm is engaged with the lower rack and the upper rack. The long-stroke cylinder pushes the double-headed gear arm to move toward the direction of the barrel segment blocking mechanism, and the barrel segment picking mechanism is installed on the outer wall of one side of the U-shaped guide frame.

[0013] Preferably, guide plates are fixed on both sides of the top of the circular base, rollers that slide with the guide plates are installed on the outer wall of the U-shaped guide frame, and rectangular grooves for the rollers to embed and roll are provided on the outer wall of the guide plate.

[0014] Preferably, the double-headed gear arm includes a longitudinal arm fixed to the top end of the long-stroke cylinder piston rod, a rotating shaft rotatably mounted on the outer wall of one side of the longitudinal arm through a bearing seat, and a gear unit fixed at both ends of the rotating shaft, and the gear unit is meshed with the lower rack and the upper rack.

[0015] Preferably, the cylinder section picking mechanism includes two right-angle arms installed on the outer wall of one side of the U-shaped guide frame, a steel frame fixed to the same end of the two right-angle arms, and two second cylinders installed on the top of the steel frame, and the top ends of the piston rods of the two second cylinders are fixed with double-slope I-plates, straight-mouth arms are fixed on both sides of the top of the double-slope I-plate, and vacuum suction cups are installed on both sides of the top of the straight-mouth arms.

[0016] Preferably, the length of the straight mouth arm is 60 cm to 200 cm.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the offshore wind power tower segment welding auxiliary device is provided with multiple support rings in the dual-zone auxiliary frame, which can realize precise support of the tower segment, so that the tower remains stable during the welding process, and the deformation problem caused by uneven support is reduced; the segment is fixed in the support ring through the support structure of multiple C-shaped long beams, ensuring that the segment maintains a stable axial position during the welding process, avoiding displacement or deformation during welding; the screw positioning structure can provide precise axial docking before and after welding, so that the docking between each segment during the welding process is more precise, thereby improving the welding quality and work efficiency; and the bilateral rotary drive module enables the support ring to rotate synchronously, providing a stable welding work platform for the staff, which can ensure that the support ring is stable and vibration-free during the rotation process, so that the welding operation can be carried out smoothly without affecting the welding accuracy due to equipment instability or rotation error;

[0018] After the cylinder segment welding is completed and during the axial movement process, the pneumatic two-stage traction module and cylinder segment picking mechanism can quickly and accurately move the welded cylinder segment axially while supporting the entry of the next tower segment. During the axial movement process, the pneumatic two-stage traction module can quickly and accurately control the movement of the cylinder segment, thereby greatly improving the speed and efficiency of the cylinder segment movement. Its response speed is faster than that of hydraulic equipment, and it is easier to operate, and can achieve rapid movement and adjustment. This means that the tower cylinder segment after welding can quickly complete axial movement to make room for the entry of the next tower segment, thereby enabling the welding process to cycle efficiently and improving the overall production efficiency of the production line.

[0019] During the axial movement stage of the cylinder segment, the hydraulic equipment and lifting equipment in the traditional solution are eliminated. After adopting the pneumatic two-stage traction module, its structure is more compact and the layout of the occupied space line is more flexible. It can realize more operations in the limited workshop space, which can greatly improve the utilization rate of the production workshop, further optimize the allocation of resources, and improve the overall production capacity of the workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the present invention Figure 1 ;

[0021] Figure 2 Schematic diagram of the three-dimensional structure of the present invention Figure 2 ;

[0022] Figure 3 Schematic diagram of the three-dimensional structure of the present invention Figure 3 ;

[0023] Figure 4 This is a schematic diagram of the main structure of the present invention;

[0024] Figure 5 Schematic diagram of the three-dimensional structure of the present invention Figure 4 ;

[0025] Figure 6 It is a schematic diagram of the three-dimensional cross-sectional structure of the present invention;

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the second embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of the three-dimensional structure of a C-shaped long beam according to the second embodiment of the present invention;

[0028] Figure 9 For the present invention Figure 7 A in the middle is an enlarged structural diagram;

[0029] Figure 10 This is a schematic diagram of the three-dimensional structure of a pneumatic two-stage traction module according to the third embodiment of the present invention;

[0030] Figure 11 This is a schematic diagram of the three-dimensional cross-sectional structure of a pneumatic two-stage traction module according to the third embodiment of the present invention;

[0031] Figure 12 This is a schematic diagram of the three-dimensional structure of the cylinder segment picking mechanism according to the fourth embodiment of the present invention.

[0032] In the figure: 1. Dual-zone auxiliary frame; 101. Support ring plate; 102. Spacer; 2. Support ring; 3. Cylinder block mechanism; 301. Screw lifting module; 302. Connecting plate; 303. U-shaped blocking arm; 4. Double-sided rotary drive module; 401. Stepper motor; 402. Wheel frame; 403. Belt drive structure; 404. Drive shaft; 405. Steel wheel; 5. Screw positioning structure; 501. Nut pair; 502. Convex seat; 503. Threaded shaft; 504. Support plate; 505. Support arm; 506. Elastic guide member; 6 , C-shaped long beam; 7. PLC controller; 8. Ring-shaped base; 801. Guide plate; 9. Pneumatic two-stage traction module; 901. Long-stroke cylinder; 902. Double-headed gear arm; 9021. Longitudinal arm; 9022. Rotating shaft; 9023. Gear unit; 903. U-shaped guide frame; 904. Lower rack; 905. Upper rack; 10. Cylinder segment picking mechanism; 1001. Right-angle arm; 1002. Steel frame; 1003. Second cylinder; 1004. Double-slope I-plate; 1005. Straight-mouth arm; 1006. Vacuum suction cup. DETAILED DESCRIPTION

[0033] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] Embodiment 1, by Figures 1 to 6 The present invention includes a double-zone auxiliary frame 1, and the double-zone auxiliary frame 1 is internally provided with left and right working areas for the tower barrel segments to enter, and a spacer 102 is provided between the left and right working areas, and two symmetrical support rings 2 are provided inside the left and right working areas. A plurality of screw positioning structures 5 for lifting the tower barrel segments are installed at equal intervals on the outer wall of one side of the support ring 2, and a plurality of equally spaced C-shaped long beams 6 are fixed between two adjacent support rings 2. The outer wall of one side of the C-shaped long beam 6 is arched toward the direction of the central axis of the support ring 2, and the plurality of C-shaped long beams 6 are located between two adjacent support rings 2. On the one hand, they connect the two support rings 2 to keep the two adjacent ones from rotating under the drive of the bilateral rotary drive module 4. On the other hand, since the C-shaped long beam 6 is arched toward the direction of the central axis of the support ring 2, a gap portion is formed on the side of the C-shaped long beam 6 away from the central axis of the support ring 2. The existence of the gap portion provides space for the action of the pneumatic two-stage traction module 9 and the barrel segment picking mechanism 10.

[0035] A bilateral rotary drive module 4 is provided on one inner wall of the dual-zone auxiliary frame 1 to drive the four support rings 2 to rotate synchronously and at a constant speed.

[0036] A circular base 8 is mounted on the bottom of the dual-zone auxiliary frame 1, and a barrel segment picking mechanism 10 is provided on one side of the interior of the circular base 8. A pneumatic two-stage traction module 9 for driving the barrel segment picking mechanism 10 to move in the X-axis direction is installed on the other side of the interior of the circular base 8. A PLC controller 7 is mounted on one side of the surface of the dual-zone auxiliary frame 1. The output end of the PLC controller 7 is electrically connected to the input ends of the bilateral rotary drive module 4, the pneumatic two-stage traction module 9, and the barrel segment picking mechanism 10.

[0037] A cylinder segment blocking mechanism 3 for blocking the cylinder segment in the right working area is provided on one side outer wall of the dual-zone auxiliary frame 1. The cylinder segment blocking mechanism 3 includes a screw lifting module 301 installed on the inner wall of one side of the dual-zone auxiliary frame 1, a connecting plate 302 fixed at the moving end of the screw lifting module 301, and a U-shaped blocking arm 303 slidably installed on the outer wall of one side of the dual-zone auxiliary frame 1. One end of the U-shaped blocking arm 303 is fixedly connected to the outer wall of one side of the connecting plate 302. After the cylinder segment is loaded into the support ring 2, the PLC controller 7 is used to start the screw lifting module 301, and the connecting plate 302 and the U-shaped blocking arm 303 are driven downward by the screw lifting module 301, so that the U-shaped blocking arm 303 is used to block the loading opening position of the dual-zone auxiliary frame 1 to prevent the cylinder segment loaded in the support ring 2 from falling out of the dual-zone auxiliary frame 1.

[0038] Example 2, based on Example 1, Figure 3 、 Figure 7 、 Figure 8 and Figure 9 It is shown that support ring plates 101 are fixed on the left and right inner walls of the dual-zone auxiliary frame 1. The top walls of the two support ring plates 101 in the same Y-axis direction slide with the arc-shaped outer wall of the support ring 2. During the rotation of the support ring 2, the support ring plates 101 on the two inner walls of the dual-zone auxiliary frame 1 support the support ring 2, thereby improving the rotation stability of the support ring 2.

[0039] The screw positioning structure 5 includes a nut pair 501 fixed to the outer wall of one side of the support ring 2, a threaded shaft 503 threadedly mounted inside the nut pair 501, and convex seats 502 fixed to the outer wall of the support ring 2 on both sides of the nut pair 501. An elastic guide 506 is installed on the outer wall of the convex seat 502 near the center point of the support ring 2. A support plate 504 is slidably mounted on the convex seat 502. One end of the threaded shaft 503 is rotatably connected to the outer wall of one side of the support plate 504. Two symmetrical supporting arms 505 are installed on the outer wall of the support plate 504 near the center point of the support ring 2.

[0040] After the cylinder section to be welded is assembled into the two support rings 2, the staff can manually operate the threaded shaft 503, and the threaded shaft 503 drives the support plate 504 and the support arm 505 to move closer to or away from the nut pair 501. By adjusting the multiple screw positioning structures 5, the cylinder section and the support ring 2 are made coaxial, which provides a balanced supporting force for the cylinder section and avoids the cylinder section from being offset or unevenly stressed due to position error. The multiple screw positioning structures 5 on the outer wall of the support ring 2 can accurately connect the cylinder section and the support ring 2 to the predetermined position, ensuring that a perfect joint surface is formed between the cylinder sections during the welding process, reducing welding defects caused by inaccurate docking.

[0041] The bilateral rotary drive module 4 includes wheel frames 402 installed on the two inner walls of the dual-zone auxiliary frame 1, a stepper motor 401 installed on the outer wall of one side of the dual-zone auxiliary frame 1, and a transmission shaft 404 rotatably installed between several wheel frames 402 in the same X-axis direction. The output end of the stepper motor 401 is installed with a belt transmission structure 403 for driving the transmission shaft 404 to rotate. The surface of the transmission shaft 404 is fixed with a steel wheel 405 in contact with the outer peripheral surface of the support ring 2. The wheel frame 402, the support plate 504, and the support arm 505 are all made of aluminum alloy. The PLC controller 7 controls the stepper motor 401 to work according to the set direction, speed, angle, and response time. The rotational power of the machine 401 is transmitted to the transmission shaft 404 through the belt transmission structure 403. Since the belt transmission structure 403 drives the steel wheel 405 to rotate, and each steel wheel 405 is in contact with the outer peripheral surface of the support ring 2, the steel wheel 405 is used to drive the support ring 2 to rotate. It can synchronously control the rotation of the support ring 2 and the cylinder segment during the entire assembly process. Since the two support rings 2 in the left and right working areas of the dual-zone auxiliary frame 1 maintain the same speed, the contact surface of the two cylinder segments can always remain stable during the welding process, avoiding welding defects caused by uneven rotation or human factors, reducing common welding defects such as pores and cracks, and thus improving the quality of welding.

[0042] Example 3, based on Example 1, Figure 10 and Figure 11It is given that the pneumatic two-stage traction module 9 includes a long-stroke cylinder 901 fixed to one side of the inner part of the circular base 8, a double-headed gear arm 902 installed on the top of the piston rod of the long-stroke cylinder 901, a lower rack 904 fixed on the two inner walls of the circular base 8, and a U-shaped guide frame 903 slidably installed on the upper surface of the circular base 8. Upper racks 905 are fixed on the outer walls of both sides of the U-shaped guide frame 903, and the double-headed gear arm 902 is meshed with the lower rack 904 and the upper rack 905. The long-stroke cylinder 901 pushes the double-headed gear arm 902 to move toward the direction of the barrel segment blocking mechanism 3. The barrel segment picking mechanism 10 is installed on the outer wall of one side of the U-shaped guide frame 903, and guide plates 801 are fixed on both sides of the top of the circular base 8. Rollers that slide with the guide plates 801 are installed on the outer wall of the U-shaped guide frame 903, and rectangular grooves for the rollers to embed and roll are provided on the outer wall of the guide plate 801.

[0043] Compared with traditional mechanical traction methods, the pneumatic two-stage traction module 9 can provide more precise force adjustment during the traction process, avoiding traction deviation caused by equipment wear or improper manual operation in traditional methods. The traction force is always stable, avoiding deformation or position deviation of the cylinder segment caused by insufficient or uneven moving power;

[0044] The double-ended gear arm 902 includes a longitudinal arm 9021 fixed to the top of the piston rod of the long-stroke cylinder 901, a rotating shaft 9022 rotatably mounted on the outer wall of one side of the longitudinal arm 9021 through a bearing seat, and a gear unit 9023 fixed at both ends of the rotating shaft 9022. The gear unit 9023 is meshed with the lower rack 904 and the upper rack 905.

[0045] After the welding of the cylinder section is completed by the staff, the staff turns on the long-stroke cylinder 901 in the pneumatic two-stage traction module 9 through the PLC controller 7, and the piston rod of the long-stroke cylinder 901 drives the double-headed gear arm 902 to move in the direction of the cylinder section blocking mechanism 3. Since the gear in the double-headed gear arm 902 is meshed with the lower rack 904 and the upper rack 905, and the lower rack 904 is in a fixed state, the gear of the double-headed gear arm 902 will be driven to rotate by the lower rack 904 during the translation process, and then the double-headed gear arm 902 drives the upper rack 905 and the U-shaped guide frame 9 03 slides in the direction of the cylinder segment blocking mechanism 3 until the double-headed gear arm 902 and the upper rack 905 are pushed to the limit position, which is determined by the length of the long-stroke cylinder 901. At this time, the cylinder segment picking mechanism 10 is actuated, and the cylinder segment picking mechanism 10 actively contacts the lower surface of one of the cylinder segments and picks up the cylinder segment. After the cylinder segment picking mechanism 10 and the cylinder segment are connected, the piston rod of the long-stroke cylinder 901 retracts and resets, and then the pneumatic two-stage traction module 9 pulls the cylinder segment axially through the cylinder segment picking mechanism 10 until the cylinder segment is partially moved out of the dual-zone auxiliary frame 1 to facilitate the access to the next cylinder segment.

[0046] Example 4, based on Example 3, Figure 12 The barrel section picking mechanism 10 includes two right-angle arms 1001 mounted on the outer wall of one side of the U-shaped guide frame 903, a steel frame 1002 fixed to the same end of the two right-angle arms 1001, and two second cylinders 1003 mounted on the top of the steel frame 1002. The top ends of the piston rods of the two second cylinders 1003 are fixed with double-slope I-shaped plates 1004. Straight arms 1005 are fixed on both sides of the top of the double-slope I-shaped plates 1004. Vacuum suction cups 1006 are installed on both sides of the top of the straight arms 1005. The length of the straight arms 1005 is 60 cm to 200 cm. The right-angle arms 1001 serve to connect the steel frame 1002 and the U-shaped guide frame 903.

[0047] After the cylinder segment picking mechanism 10 is pushed by the pneumatic two-stage traction module 9 and moves axially, the staff drives the double-slope I-plate 1004, the straight-mouth arm 1005 and the vacuum suction cup 1006 upward through the second cylinder 1003 until the vacuum suction cup 1006 contacts the outer wall surface of the cylinder segment. The vacuum suction cup 1006 generates negative pressure through an external vacuum pump or air source, and with the help of the sealing between its own suction cup and the cylinder segment, the suction cup can firmly adsorb on the cylinder segment. Since the vacuum suction cup 1006 can work on cylinder segments of different materials and surface smoothness, it can ensure the contact sealing between the cylinder segment and the suction cup surface during transportation, thereby avoiding instability or unsafe conditions in the cylinder segment.

[0048] When the embodiment of the present application is in use, the tower section is first loaded, the lifting equipment is arranged on one side of the section blocking mechanism 3, the tower section is lifted by the lifting equipment and the tower section and the support ring 2 are in a coaxial state, and the tower section is pushed into the depth of the double-zone auxiliary frame 1. In the process of pushing the tower section into the double-zone auxiliary frame 1, the support ring 2 and the C-shaped long beam 6 jointly assume the task of supporting the section. The support ring 2 surrounds the periphery of the section and stably holds up the section, and a number of C-shaped long beams 6 further enhance the support of the section on the basis of the support ring 2 through bearing force and stability, so as to avoid instability of the section during rotation and movement. When the section is fixed on the double-zone auxiliary frame After the two support rings 2 in the left working area of ​​the auxiliary frame 1 are installed, the staff also installs a cylinder segment into the two support rings 2 in the right working area of ​​the dual-zone auxiliary frame 1 according to the same steps, until the opposite ends of the two tower cylinder segments are located at the spacer 102 and maintain contact. During this process, the screw positioning structure 5 ensures that the cylinder segment and the support ring 2 are coaxial through precise mechanical adjustment, providing an accurate docking position for subsequent welding. After the cylinder segment is fixed in the support ring 2, it is necessary to make the tower cylinder segment enter a rotating state to facilitate welding at the docking point. The staff turns on the bilateral rotary drive module 4 through the PLC controller 7, and the bilateral rotary drive module 4 drives multiple support rings 2 and cylinder segments to rotate evenly. During the process, the PLC controller 7 adjusts the rotation speed and direction of the bilateral rotary drive module 4 to ensure that the cylinder segment is stable during the rotation process and that the butt joint of the cylinder segment is in a suitable welding position. During the rotation of the tower cylinder segment, the staff can perform welding operations at the interval 102. After the welding operation is completed, the axial movement of the cylinder segment is followed so that the welded cylinder segment can be moved out of the working area and prepared to connect the next cylinder segment. The pneumatic two-stage traction module 9 is driven by gas pressure to provide a smooth traction force to move the cylinder segment forward accurately along the predetermined path. The cylinder segment picking mechanism 10 is responsible for picking up the cylinder segment from the support ring 2 and connecting it to the traction module so that the cylinder segment does not become loose during the movement. Movement or tilt, compared with traditional hydraulic equipment, the pneumatic system has a fast response speed, easy operation, and can maintain high stability, and the cylinder segment picking mechanism 10 can accurately control the grabbing and releasing process of the cylinder segment to ensure the safe and stable movement of the cylinder segment. After the pneumatic two-stage traction module 9 and the cylinder segment picking mechanism 10 cooperate to complete the unloading of the cylinder segment, the staff continues to use the lifting equipment to place the new cylinder segment from the cylinder segment blocking mechanism 3 to the support ring 2. At this time, the cylinder segment blocking mechanism 3 moves up and resets to not block the cylinder segment, so as to prepare for the next welding. At this time, the PLC controller 7 will dispatch all components again to ensure smooth and precise operation and ensure that the new cylinder segment can quickly enter the welding operation process.

[0049] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0050] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An offshore wind power tower segment welding auxiliary device, characterized in that: include: A double-zone auxiliary frame (1), wherein the double-zone auxiliary frame (1) is provided with left and right working areas for tower barrel sections to enter, a spacer (102) is provided between the left and right working areas, and two symmetrical support rings (2) are provided inside the left and right working areas, a plurality of screw positioning structures (5) for supporting the tower barrel sections are installed at equal intervals on the outer wall of one side of the support ring (2), a plurality of C-shaped long beams (6) are fixed at equal intervals between two adjacent support rings (2), an outer wall of one side of the C-shaped long beam (6) is arched toward the direction of the central axis of the support ring (2), and a bilateral rotary drive module (4) for driving the four support rings (2) to rotate synchronously and at a constant speed is provided on the inner wall of one side of the double-zone auxiliary frame (1); A circular base (8) is installed at the bottom of the dual-zone auxiliary frame (1), and a cylinder segment picking mechanism (10) is provided on one side of the interior of the circular base (8), and a pneumatic two-stage traction module (9) for driving the cylinder segment picking mechanism (10) to move in the X-axis direction is installed on the other side of the interior of the circular base (8), and a PLC controller (7) is installed on one side of the surface of the dual-zone auxiliary frame (1), and the output end of the PLC controller (7) is electrically connected to the input end of the bilateral rotary drive module (4), the pneumatic two-stage traction module (9), and the cylinder segment picking mechanism (10); A cylinder segment blocking mechanism (3) for blocking the cylinder segment in the right working area is provided on one side outer wall of the dual-zone auxiliary frame (1), the cylinder segment blocking mechanism (3) comprising a screw rod lifting module (301) mounted on one side inner wall of the dual-zone auxiliary frame (1), a connecting plate (302) fixed to the movable end of the screw rod lifting module (301), and a U-shaped blocking arm (303) slidably mounted on one side outer wall of the dual-zone auxiliary frame (1), one end of the U-shaped blocking arm (303) being fixedly connected to one side outer wall of the connecting plate (302); The pneumatic two-stage traction module (9) comprises a long-stroke cylinder (901) fixed to one side of the inner portion of the circular base (8), a double-headed gear arm (902) mounted on the top of the piston rod of the long-stroke cylinder (901), a lower rack (904) fixed on the two inner walls of the circular base (8), and a U-shaped guide frame (903) slidably mounted on the upper surface of the circular base (8), upper racks (905) are fixed on both outer walls of the U-shaped guide frame (903), the double-headed gear arm (902) is meshed with the lower rack (904) and the upper rack (905), the long-stroke cylinder (901) pushes the double-headed gear arm (902) to move toward the barrel segment blocking mechanism (3), and the barrel segment picking mechanism (10) is mounted on one outer wall of the U-shaped guide frame (903); The barrel section picking mechanism (10) comprises two right-angle arms (1001) mounted on the outer wall of one side of a U-shaped guide frame (903), a steel frame (1002) fixed to the same end of the two right-angle arms (1001), and two second cylinders (1003) mounted on the top of the steel frame (1002), the top ends of the piston rods of the two second cylinders (1003) being fixed with double-slope I-shaped plates (1004), both sides of the top end of the double-slope I-shaped plates (1004) being fixed with straight-mouth arms (1005), and both sides of the top end of the straight-mouth arms (1005) being installed with vacuum suction cups (1006).

2. The offshore wind turbine tower segment welding auxiliary device according to claim 1, characterized in that: Support ring plates (101) are fixed on both the left and right inner walls of the dual-zone auxiliary frame (1), and the top walls of the two support ring plates (101) in the same Y-axis direction are slidably matched with the arc-surface outer wall of the support ring (2).

3. The offshore wind power tower segment welding auxiliary device according to claim 2, characterized in that: The screw rod positioning structure (5) comprises a nut pair (501) fixed on the outer wall of one side of the support ring (2), a threaded shaft (503) threadedly mounted inside the nut pair (501), and convex seats (502) fixed on the outer walls of the support ring (2) on both sides of the nut pair (501), an elastic guide member (506) being mounted on the outer wall of the convex seat (502) close to the center point of the support ring (2), a support plate (504) being slidably mounted on the convex seat (502), one end of the threaded shaft (503) being rotatably connected to the outer wall of one side of the support plate (504), and two symmetrical supporting arms (505) being mounted on the outer wall of the support plate (504) close to the center point of the support ring (2).

4. The offshore wind turbine tower segment welding auxiliary device according to claim 3, characterized in that: The bilateral rotary drive module (4) comprises wheel frames (402) mounted on two inner walls of a dual-zone auxiliary frame (1), a stepper motor (401) mounted on an outer wall of one side of the dual-zone auxiliary frame (1), and a transmission shaft (404) rotatably mounted between a plurality of wheel frames (402) in the same X-axis direction, wherein a belt transmission structure (403) for driving the transmission shaft (404) to rotate is mounted on the output end of the stepper motor (401), a steel wheel (405) in contact with the outer peripheral surface of the support ring (2) is fixed on the surface of the transmission shaft (404), and the wheel frame (402), the support plate (504), and the support arm (505) are all made of aluminum alloy components.

5. The offshore wind power tower segment welding auxiliary device according to claim 4, characterized in that: Guide plates (801) are fixed on both sides of the top of the circular base (8), and rollers that slide with the guide plates (801) are installed on the outer wall of the U-shaped guide frame (903). The outer wall of the guide plate (801) is provided with a rectangular groove for the roller to be embedded and roll.

6. The offshore wind turbine tower segment welding auxiliary device according to claim 5, characterized in that: The double-headed gear arm (902) comprises a longitudinal arm (9021) fixed to the top end of the piston rod of the long-stroke cylinder (901), a rotating shaft (9022) rotatably mounted on the outer wall of one side of the longitudinal arm (9021) via a bearing seat, and a gear monomer (9023) fixed at both ends of the rotating shaft (9022), wherein the gear monomer (9023) meshes with the lower rack (904) and the upper rack (905).

7. The offshore wind power tower segment welding auxiliary device according to claim 6, characterized in that: The barrel section picking mechanism (10) comprises two right-angle arms (1001) mounted on the outer wall of one side of a U-shaped guide frame (903), a steel frame (1002) fixed to the same end of the two right-angle arms (1001), and two second cylinders (1003) mounted on the top of the steel frame (1002), the top ends of the piston rods of the two second cylinders (1003) being fixed with double-slope I-shaped plates (1004), both sides of the top end of the double-slope I-shaped plates (1004) being fixed with straight-mouth arms (1005), and both sides of the top end of the straight-mouth arms (1005) being installed with vacuum suction cups (1006).

8. The offshore wind power tower segment welding auxiliary device according to claim 7, characterized in that: The length of the straight mouth arm (1005) is 60cm to 200cm.

Images